Deflection Limits | Eng-Tips
Aug 3, 2001 · Dougantholz - It seems that deflection limits are up to the engineer who is designing, and not to exceed the limits set forth in code (l/240, l/360, l/600, etc.). Lets just say an l/360 delf. limit for …
Allowable deflection of beams | Eng-Tips
Jul 2, 2019 · Deflection in beam design implies relatively slow (nearly static) deflection of a beam. A beam subjected to vibrations means that you need to be looking into a dynamic or vibration analysis. …
Allowable deflections for Residential Floor Beams | Eng-Tips
Apr 27, 2009 · I have been pondering allowable deflection limits for our residential design standards for high-end residential *FLOORS BEAMS*(wood framed with LVL, glu-lam, and steel beams). I am …
Double point load beam deflection | Eng-Tips
Jan 9, 2017 · A fairly simple method of finding deflection at any point is to draw the bending moment diagram for the actual beam, then use the Conjugate Beam Method to find rotation and deflection at …
Deflection check | Eng-Tips
Feb 1, 2013 · The proper Global deflection limit to use also has to do with what is on the roof as a roofing material - this looks like a rafter/beam situation is why I mention it. If the roof is tile, deflection …
Standard formula for double cantilevering beam | Eng-Tips
Sep 30, 2018 · I thought about applying double cantilevering to minimize the material for a small structure, but I don't seem to find a standard formula for the deflection of this beam (see figure - I …
Deflection Limitations Question | Eng-Tips
Oct 28, 2015 · Hey guys, Why are deflection limitations specified as a fraction of the span length, such as L/360 or L/240? I'm having a hard time picturing this criteria, it apears to be more of a deflection …
Deflection | Eng-Tips
Oct 21, 2009 · Deflection criteria are put in place for a variety of reasons, including aesthetics, limiting cracks, mitigation of creep, and to force sections to be more resistant to "dynamic" deflection such as …
Deflection. Absolute or Relative? | Eng-Tips
Oct 4, 2019 · It depends what the goal of the deflection limit is. For most deflection limits in structures, the end goal is either user comfort or preventing issues with non-structural elements and finishes. In …
Deflection Load Combinations | Eng-Tips
Jan 13, 2011 · I have a question regarding Structural Deflection Limits. The way I see it, there are three ways of going about it - Follow the IBC verbatim, or use ASD load combinations, or load that aren't …